Adds info pop up

ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/MainActivity.java

@@ -19,15 +19,18 @@
 
 package com.vsmartcard.acardemulator;
 
+import android.app.AlertDialog;
 import android.content.BroadcastReceiver;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.support.v4.content.LocalBroadcastManager;
 import android.support.v7.app.ActionBarActivity;
 import android.os.Bundle;
+import android.text.Html;
 import android.text.Layout;
 import android.text.method.ScrollingMovementMethod;
 import android.view.Menu;
@@ -83,6 +86,8 @@ public class MainActivity extends ActionBarActivity {
         IntentFilter intentFilter = new IntentFilter();
         intentFilter.addAction(SimulatorService.TAG);
         bManager.registerReceiver(bReceiver, intentFilter);
+
+        showStartupMessage();
     }
 
     @Override
@@ -107,6 +112,9 @@ public class MainActivity extends ActionBarActivity {
             case R.id.action_delete:
                 textViewVPCDStatus.setText("");
                 return true;
+            case R.id.action_help:
+                showStartupMessage();
+                return true;
             default:
                 return super.onOptionsItemSelected(item);
         }
@@ -125,4 +133,16 @@ public class MainActivity extends ActionBarActivity {
         savedInstanceState.putCharSequence(saved_status_key, textViewVPCDStatus.getText());
         super.onSaveInstanceState(savedInstanceState);
     }
+
+    private void showStartupMessage() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setMessage(R.string.startup_message)
+                .setTitle(R.string.startup_title)
+                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                    }
+                });;
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
 }

ACardEmulator/app/src/main/res/menu/main.xml

@@ -13,4 +13,9 @@
         android:icon="@drawable/ic_action_delete"
         app:showAsAction="withText" />
 
+    <item android:id="@+id/action_help"
+    android:title="@string/action_help"
+    android:icon="@android:drawable/ic_menu_help"
+    app:showAsAction="withText" />
+
 </menu>

ACardEmulator/app/src/main/res/values/strings.xml

@@ -12,6 +12,7 @@
     <string name="action_restart">Restart Emulator</string>
     <string name="action_copy">Copy Log</string>
     <string name="action_delete">Clear Log</string>
+    <string name="action_help">Show Help</string>
 
     <string name="aid_isoapplet">F276A288BCFBA69D34F31001</string>
     <string name="applet_isoapplet">Philip Wendland\'s ISO Applet</string>
@@ -24,5 +25,15 @@
     <string name="applet_oath">Yubico\'s OATH Applet</string>
     <string name="aid_muscle">A00000000101</string>
     <string name="applet_muscle">MUSCLE Applet</string>
+    <string name="startup_title">Tap To Emulate!</string>
+    <string name="startup_message">The following smart card applets are supported:\n
+        \n
+        <b>Hello World Applet</b> <small>(AID F000000001)</small>\n
+        <b>OpenPGP Applet</b> <small>(AID D2760001240102000000000000010000)</small>\n
+        <b>OATH Applet</b> <small>(AID A000000527210101)</small>\n
+        <b>ISO Applet</b> <small>(AID F276A288BCFBA69D34F31001)</small>\n
+        <b>MUSCLE Applet</b> <small>(AID A00000000101)</small>\n
+        \n
+        Place your device on a contact-less reader. When the reader issues a SELECT command for one of the application identifiers above, the emulator creates the appropriate applet. The emulated applet will then handle all subsequent APDUs.</string>
 
 </resources>